George couldn’t remember when he first met Mr. Anderson, but he was sure it was __________ Sunday because everybody was at __________ church.

A．不填; the

B．the; 不填

C．a; 不填

D．不填; a

不符合胰岛细胞瘤病变描述的是（）

A.多为单发性结节

B.可有包膜

C.瘤细胞排列成岛状、条索状或腺泡状

D.间质富含血窦

E.依据HE染色细胞的形态特点可将其分为6种不同类型